From 74298f8ca11dc8d3b0359d1d4e124d6494c3eeac Mon Sep 17 00:00:00 2001 From: Nicolas Schodet Date: Fri, 10 Apr 2009 01:15:42 +0200 Subject: * digital/avr/modules/usb: - imported LUFA. --- .../lufa/LUFA/Drivers/USB/HighLevel/USBInterrupt.c | 252 +++++++++++++++++++++ 1 file changed, 252 insertions(+) create mode 100644 digital/avr/modules/usb/lufa/LUFA/Drivers/USB/HighLevel/USBInterrupt.c (limited to 'digital/avr/modules/usb/lufa/LUFA/Drivers/USB/HighLevel/USBInterrupt.c') diff --git a/digital/avr/modules/usb/lufa/LUFA/Drivers/USB/HighLevel/USBInterrupt.c b/digital/avr/modules/usb/lufa/LUFA/Drivers/USB/HighLevel/USBInterrupt.c new file mode 100644 index 00000000..58faa69d --- /dev/null +++ b/digital/avr/modules/usb/lufa/LUFA/Drivers/USB/HighLevel/USBInterrupt.c @@ -0,0 +1,252 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2009. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, and distribute this software + and its documentation for any purpose and without fee is hereby + granted, provided that the above copyright notice appear in all + copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#include "../LowLevel/USBMode.h" +#include "USBInterrupt.h" + +void USB_INT_DisableAllInterrupts(void) +{ + #if defined(USB_FULL_CONTROLLER) + USBCON &= ~((1 << VBUSTE) | (1 << IDTE)); + #elif defined(USB_MODIFIED_FULL_CONTROLLER) + USBCON &= ~(1 << VBUSTE); + #endif + + #if defined(USB_CAN_BE_HOST) + UHIEN = 0; + OTGIEN = 0; + #endif + + #if defined(USB_CAN_BE_DEVICE) + UDIEN = 0; + #endif +} + +void USB_INT_ClearAllInterrupts(void) +{ + #if defined(USB_FULL_CONTROLLER) || defined(USB_MODIFIED_FULL_CONTROLLER) + USBINT = 0; + #endif + + #if defined(USB_CAN_BE_HOST) + UHINT = 0; + OTGINT = 0; + #endif + + #if defined(USB_CAN_BE_DEVICE) + UDINT = 0; + #endif +} + +ISR(USB_GEN_vect, ISR_BLOCK) +{ + #if defined(USB_CAN_BE_DEVICE) + #if defined(USB_FULL_CONTROLLER) || defined(USB_MODIFIED_FULL_CONTROLLER) + if (USB_INT_HasOccurred(USB_INT_VBUS) && USB_INT_IsEnabled(USB_INT_VBUS)) + { + USB_INT_Clear(USB_INT_VBUS); + + RAISE_EVENT(USB_VBUSChange); + + if (USB_VBUS_GetStatus()) + { + RAISE_EVENT(USB_VBUSConnect); + + if (USB_IsConnected) + RAISE_EVENT(USB_Disconnect); + + USB_ResetInterface(); + + USB_IsConnected = true; + + RAISE_EVENT(USB_Connect); + } + else + { + RAISE_EVENT(USB_Disconnect); + + USB_Detach(); + USB_CLK_Freeze(); + USB_PLL_Off(); + USB_REG_Off(); + + USB_IsConnected = false; + + RAISE_EVENT(USB_VBUSDisconnect); + + USB_INT_Clear(USB_INT_VBUS); + } + } + #endif + + if (USB_INT_HasOccurred(USB_INT_SUSPEND) && USB_INT_IsEnabled(USB_INT_SUSPEND)) + { + USB_INT_Clear(USB_INT_SUSPEND); + + USB_INT_Disable(USB_INT_SUSPEND); + USB_INT_Enable(USB_INT_WAKEUP); + + USB_CLK_Freeze(); + + if (!(USB_Options & USB_OPT_MANUAL_PLL)) + USB_PLL_Off(); + + USB_IsSuspended = true; + + RAISE_EVENT(USB_Suspend); + + #if defined(USB_LIMITED_CONTROLLER) && !defined(NO_LIMITED_CONTROLLER_CONNECT) + if (USB_IsConnected) + { + USB_IsConnected = false; + RAISE_EVENT(USB_Disconnect); + } + #endif + } + + if (USB_INT_HasOccurred(USB_INT_WAKEUP) && USB_INT_IsEnabled(USB_INT_WAKEUP)) + { + if (!(USB_Options & USB_OPT_MANUAL_PLL)) + { + USB_PLL_On(); + while (!(USB_PLL_IsReady())); + } + + USB_CLK_Unfreeze(); + + USB_INT_Clear(USB_INT_WAKEUP); + + USB_INT_Disable(USB_INT_WAKEUP); + USB_INT_Enable(USB_INT_SUSPEND); + + #if defined(USB_LIMITED_CONTROLLER) && !defined(NO_LIMITED_CONTROLLER_CONNECT) + if (!(USB_IsConnected)) + { + USB_IsConnected = true; + RAISE_EVENT(USB_Connect); + } + #endif + + USB_IsSuspended = false; + + RAISE_EVENT(USB_WakeUp); + } + + if (USB_INT_HasOccurred(USB_INT_EORSTI) && USB_INT_IsEnabled(USB_INT_EORSTI)) + { + USB_INT_Clear(USB_INT_EORSTI); + + USB_ConfigurationNumber = 0; + + USB_INT_Clear(USB_INT_SUSPEND); + USB_INT_Disable(USB_INT_SUSPEND); + USB_INT_Enable(USB_INT_WAKEUP); + + Endpoint_ClearEndpoints(); + + Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL, + ENDPOINT_DIR_OUT, USB_ControlEndpointSize, + ENDPOINT_BANK_SINGLE); + + RAISE_EVENT(USB_Reset); + } + #endif + + #if defined(USB_CAN_BE_HOST) + if (USB_INT_HasOccurred(USB_INT_DDISCI) && USB_INT_IsEnabled(USB_INT_DDISCI)) + { + USB_INT_Clear(USB_INT_DDISCI); + USB_INT_Clear(USB_INT_DCONNI); + USB_INT_Disable(USB_INT_DDISCI); + + RAISE_EVENT(USB_DeviceUnattached); + RAISE_EVENT(USB_Disconnect); + + USB_ResetInterface(); + } + + if (USB_INT_HasOccurred(USB_INT_VBERRI) && USB_INT_IsEnabled(USB_INT_VBERRI)) + { + USB_INT_Clear(USB_INT_VBERRI); + + USB_Host_VBUS_Manual_Off(); + USB_Host_VBUS_Auto_Off(); + + RAISE_EVENT(USB_HostError, HOST_ERROR_VBusVoltageDip); + RAISE_EVENT(USB_DeviceUnattached); + + USB_HostState = HOST_STATE_Unattached; + } + + if (USB_INT_HasOccurred(USB_INT_SRPI) && USB_INT_IsEnabled(USB_INT_SRPI)) + { + USB_INT_Clear(USB_INT_SRPI); + USB_INT_Disable(USB_INT_SRPI); + + RAISE_EVENT(USB_DeviceAttached); + + USB_INT_Enable(USB_INT_DDISCI); + + USB_HostState = HOST_STATE_Attached; + } + + if (USB_INT_HasOccurred(USB_INT_BCERRI) && USB_INT_IsEnabled(USB_INT_BCERRI)) + { + USB_INT_Clear(USB_INT_BCERRI); + + RAISE_EVENT(USB_DeviceEnumerationFailed, HOST_ENUMERROR_NoDeviceDetected, 0); + RAISE_EVENT(USB_DeviceUnattached); + + if (USB_IsConnected) + RAISE_EVENT(USB_Disconnect); + + USB_ResetInterface(); + } + #endif + + #if defined(USB_CAN_BE_BOTH) + if (USB_INT_HasOccurred(USB_INT_IDTI) && USB_INT_IsEnabled(USB_INT_IDTI)) + { + USB_INT_Clear(USB_INT_IDTI); + + if (USB_IsConnected) + { + if (USB_CurrentMode == USB_MODE_HOST) + RAISE_EVENT(USB_DeviceUnattached); + else + RAISE_EVENT(USB_Disconnect); + } + + RAISE_EVENT(USB_UIDChange); + + USB_ResetInterface(); + } + #endif +} -- cgit v1.2.3